AIPMT 2015 Cancelled Paper | Rotational Motion Question 34 | Physics

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are at a distance d from each other. The centre of mass of the rod is at distance x from A. The normal reaction on A is

$${{W\left( {d - x} \right)} \over x}$$

$${{W\left( {d - x} \right)} \over d}$$

$${{Wx} \over d}$$

$${{Wd} \over x}$$

AIPMT 2014

MCQ (Single Correct Answer)

-1

The ratio of the accelerations for a solid sphere (mass m and radius R) rolling down an incline of angle $$\theta $$ without slipping and slipping down the incline without rolling is

5 : 7

2 : 3

2 : 5

7 : 5

AIPMT 2014

MCQ (Single Correct Answer)

-1

A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s^$$-$$2 is

25 N

50 N

78.5 N

157 N

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

The ratio of radii of gyration of a circular ring and a circular disc, of the same mass and radius, about an axis passing through their centres and perpendicular to their planes are

$$1:\sqrt 2 $$

3 : 2

2 : 1

$$\sqrt 2 :1$$

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